Home / 28,149.48-38,836.26-18,088.20

Finding the Fourth Proportional to 28,149.48, 38,836.26 and 18,088.20

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Solution

The fourth proportional to 28,149.48, 38,836.26 and 18,088.20 is: 24,955.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,149.48 : 38,836.26 = 18,088.20 : x
  2. Step 2: Convert to fraction form
    28,149.48/38,836.26 = 18,088.20/x
  3. Step 3: Cross multiply
    28,149.48x = 38,836.26 × 18,088.20
  4. Step 4: Simplify right side
    28,149.48x = 702,478,038.13
  5. Step 5: Solve for x
    x = 702,478,038.13/28,149.48
  6. Step 6: Final answer
    x = 24,955.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.